| CZ-SYS-DATACOM-20071029 | ||||
| 79.98.72.0 — 79.98.79.255 | Czech Republic | 79.98.72.0/21 | 2048 | |
| CZ-SYS-DATACOM-20120927 | ||||
| 185.4.200.0 — 185.4.203.255 | Czech Republic | 185.4.200.0/22 | 1024 | |
| SysDataComs | ||||
| 213.191.127.208 — 213.191.127.223 | Sys-DataCom s.r.o. Praha 4 Psohlavcu 24/1668 | Czech Republic | 213.191.127.208/28 | 16 |
| CZ-SYS-DATACOM-20090130 | ||||
| 2a02:970:: — 2a02:970:ffff:ffff:ffff:ffff:ffff:ffff | Czech Republic | 2a02:970::/32 | 296 | |
